41 lines
868 B
C
41 lines
868 B
C
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#include "page/raw.h"
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#include <lladd/logger/logger2.h>
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/**
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@todo Should rawPageInferMetadata set a page type in the Page
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struct?
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*/
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void rawPageInferMetadata(Page * p) {
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p->LSN = LogFlushedLSN();
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}
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byte* rawPageGetData(int xid, Page * p) {
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return units_from_start_raw(byte, p, 0);
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}
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void rawPageSetData(int xid, lsn_t lsn, Page * p) {
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writelock(p->rwlatch, 255);
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rawPageWriteLSN(xid, p, lsn);
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p->dirty = 1;
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unlock(p->rwlatch);
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return;
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}
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lsn_t rawPageReadLSN(const Page * p) {
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// There are some potential optimizations here since the page
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// doesn't "really" have an LSN at all, but we need to be careful
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// about log truncation...
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return p->LSN;
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}
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void rawPageWriteLSN(int xid, Page * p, lsn_t lsn) {
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if(p->LSN < lsn) { p->LSN = lsn; }
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}
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void rawPageCommit(int xid) {
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// no-op
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}
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void rawPageAbort(int xid) {
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// no-op
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}
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